The nadav is when you do the act of chopping all of your male friends foreskins off, then you will sew them together to make a cloth. The cloth is used to wipe up your load.
“Ew I heard he did the nadav last year”
A fine Israeli gent in the exploratory program. Frisbee god.
Did you hear about Nadav Berkman? He’s a Jewish bro that can throw!!!